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• World's original locking grease coupler.
• Rated up to 10,000 PSI.
• 1/8″ NPT thread. Compatible with all grease guns.
• Works on all Zerk fittings, SAE and metric.
• Easily releases from clogged grease fittings, even under pressure.
• Max Pressure: 10,000 psi (390 Bar)
• Zerk Compatibility: Fits all DIN and SAE specification Zerks (grease nipples).
• Coupler Thread: 1/8" NPT female thread.
• Dimensions: L: 3½ x W: ⅗ x H: 1⅗ In (L: 88 x W: 16.4 x H: 41 mm)
• Diameter (front of coupler): 3/5 in (16 mm). Fits most recessed grease fittings (Zerks.) ~1mm larger than standard coupler.
• Weight: 4 oz. (100 grams)
• Grease Gun Compatibility: Works with all grease gun types: pneumatic, manual, and electric.
• Seal: Durable nitrile rubber seal for longevity under high pressure.
• Lock-on Mechanism: Four hardened steel jaws are resilient under high pressure. Patent protected.